devtools

XLT: Fast‑track Load & Performance Testing for Java Apps

XLT lets founders run code‑based load tests with built‑in reporting, ideal for Java teams seeking reliable performance validation.

From the repo · “XLT is an comprehensive load and performance test tool developed and maintained by Xceptance. It features extensive ready-to-use reporting. Load Testing as Code was a first here.”

74 stars12 forksJavaGuide quality 9/10 · reviewed Oct 17Updated 10/22/2026100% free · open source
What it does

XLT is a comprehensive load and performance testing tool that ensures app reliability by simulating large volumes of users and traffic.

When to use it
  • •When you need to test the scalability of your web application
  • •When you want to identify performance bottlenecks in your system
  • •When you need to ensure your application can handle a large number of concurrent users
Ready-to-paste prompt
java -jar xlt.jar -createTestSuite myEcommerceTest -test myEcommerceTest -users 100 -duration 10m
Heads up: Ensure you have a compatible Java Runtime Environment (JRE) version 8 or later installed, as XLT requires it to run
Saves to your device
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mkdir -p ~/.claude/skills/xlt && curl -fsSL https://workflowstacks.com/api/skills/xlt/claude-skill -o ~/.claude/skills/xlt/SKILL.md
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16
top-level files
15
folders
166.1M
source size
Apache-2.0
license
Key files
README.md
File tree
.agent/
.settings/
ant-scripts/
bin/
config/
doc/
etc/
lib-build/
openspec/
resultbrowser/
samples/
src/
styles/
xlt-timerrecorder/
xlt-timerrecorder-chrome/
.checkstyle
.checkstyle_ruleset
.classpath
.fbprefs
.findbugs_excludes
.gitattributes
.gitignore
.pmd
.pmd_ruleset
Quick Actions
Details
Creator
Xceptance
Language
Java
Category
devtools
Published
1/30/2020

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Featured on WorkflowStacks
[![Featured on WorkflowStacks](https://workflowstacks.com/api/badge/xlt.svg)](https://workflowstacks.com/skills/xlt?utm_source=github&utm_medium=badge)
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